I just bought a rem 700sps in a 308 BBL

I just bought a rem 700sps in a 308 BBL rifle and i threw on a 10X40X50mm Osprey 10 - 40x50 mm Long Range Tactical Scope, Matte Black with a harris bipod and a uncle mikes Neoprene Buttstock Shell Holders and a tactical sling i put about $1,000 in everything so i was wondering if i should throw on a .308 VORTEX FLASH HIDER threw brownells and what ammo should i use